Question 1

Which of the following human digestive enzymes is incorrectly matched to its substrate?

Accepted Answer

A)  pepsin-protein
B)  trypsin-nucleic acid
C)  salivary amylase-starch
D)  lipase-fat
E)  maltase-maltose

Question 2

List the nine major digestive enzymes and the substrate each is responsible for breaking down.

Accepted Answer

Salivary amylase-starch Pancre...

Question 3

Bacteria living in the large intestine

Accepted Answer

A)  are a source of fiber.
B)  can produce vitamins.
C)  are found only in the appendix.
D)  can produce excess acid.
E)  are found only in the rectum.

Question 4

The digestive juices found in the stomach include

Accepted Answer

A)  trypsin and bile.
B)  trypsin and pepsin.
C)  bile and hydrochloric acid.
D)  amylase and trypsin.
E)  pepsin and hydrochloric acid.

Question 5

The hepatic portal vein is located between

Accepted Answer

A)  the gallbladder and the liver.
B)  the gallbladder and the small intestine.
C)  the pancreas and the small intestine.
D)  the small intestine and the liver.
E)  the large intestine and the small intestine.

Question 6

At body temperature,which of these combinations is most likely to result in the digestion of fat?

Accepted Answer

A)  bile salts,sodium bicarbonate,lipase
B)  bile salts,sodium bicarbonate,pepsin
C)  HCl,maltase
D)  bile salts,HCl,sodium bicarbonate,and trypsin
E)  sodium bicarbonate,lipase

Question 7

Which of the following does NOT represent a category of the MyPlate food guide symbol?

Accepted Answer

A)  skim milk
B)  orange
C)  chicken breast
D)  whole wheat bread
E)  coffee

Question 8

Which of the following is not a major class of nutrients required by the human body?

Accepted Answer

A)  fiber
B)  carbohydrates
C)  proteins
D)  lipids
E)  vitamins

Question 9

Which organ in the human body produces maltase and peptidases?

Accepted Answer

A)  mouth
B)  esophagus
C)  stomach
D)  small intestine
E)  large intestine

Question 10

If the hepatic portal vein was blocked,where would the blood that was supposed to flow into the hepatic portal vein back up?

Accepted Answer

A)  the inferior vena cava
B)  the capillaries of the small intestine
C)  the capillaries of the liver
D)  the hepatic artery
E)  the hepatic vein

Question 11

Which of the following diseases is not associated with deficient or excess nutrients in the diet?

Accepted Answer

A)  scurvy
B)  anemia
C)  cardiovascular disease
D)  hepatitis
E)  osteoporosis

Question 12

Antioxidants are

Accepted Answer

A)  toxic chemicals that must be avoided in the diet.
B)  the breakdown products of protein digestion.
C)  another name for free radicals.
D)  chemicals found in fruits and vegetables that defend against free radicals.
E)  only found in food supplements in pill form.

Question 13

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Accepted Answer

A)  serosa
B)  longitudinal muscle
C)  circular muscle
D)  submucosa
E)  mucosa

Question 14

Which is NOT a correct association of structure with function among layers of the digestive tract?

Accepted Answer

A)  The outermost serosa lubricates most of the tract among other abdominal organs.
B)  The inner mucosa contains goblet cells that secrete mucus.
C)  The submucosa contains blood vessels and Peyer's patches that circulate lymphatic fluid.
D)  The muscularis consists of two layers of smooth muscles to force food through the tract.
E)  The mucosa and submucosa are made of epithelial tissue.

Question 15

Stacey is 5 foot 8 inches tall and weighs approximately 80 pounds,yet she thinks she is very fat.Which of the following statements is probably not true about Stacey?

Accepted Answer

A)  Stacey most likely suffers from anorexia nervosa.
B)  Stacey is actually starving.
C)  Stacey has probably stopped menstruating.
D)  Stacey is in danger of dying.
E)  Stacey probably binge-eats and then forces herself to throw up.

Question 16

Which of the following is considered an accessory gland in the digestive system?

Accepted Answer

A)  pharynx
B)  esophagus
C)  stomach
D)  cecum
E)  pancreas

Question 17

As food is processed and moved through the digestive tract,what is the correct order that it is seen?

Accepted Answer

A)  bolus  →\rightarrow→  feces  →\rightarrow→  chyme
B)  bolus  →\rightarrow→  chyme  →\rightarrow→  feces
C)  chyme  →\rightarrow→  feces  →\rightarrow→ bolus
D)  chyme  →\rightarrow→  bolus  →\rightarrow→  feces
E)  feces  →\rightarrow→ bolus  →\rightarrow→ chyme

Question 18

In the body,glucose is stored in the liver as

Accepted Answer

A)  starch.
B)  protein.
C)  glycogen.
D)  fat.
E)  amino acids.

Question 19

Which of the following is responsible for the storage of extra bile?

Accepted Answer

A)  small intestine
B)  liver
C)  stomach
D)  gallbladder
E)  pancreas

Question 20

In Figure 14.1,which structure is the primary site for digestion and absorption of food?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5

Exam 14: Digestive System and Nutrition

In Figure 14.1,which structure is the primary site for digestion and absorption of food?

Correct AnswerverifiedShow Answer

Bacteria living in the large intestine

Correct AnswerverifiedShow Answer

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Correct AnswerverifiedShow Answer

Which of the following diseases is not associated with deficient or excess nutrients in the diet?

Correct AnswerverifiedShow Answer

Antioxidants are

Correct AnswerverifiedShow Answer

Which of the following is responsible for the storage of extra bile?

Correct AnswerverifiedShow Answer

Which of the following is not a major class of nutrients required by the human body?

Correct AnswerverifiedShow Answer

If the hepatic portal vein was blocked,where would the blood that was supposed to flow into the hepatic portal vein back up?

Correct AnswerverifiedShow Answer

List the nine major digestive enzymes and the substrate each is responsible for breaking down.

Correct AnswerverifiedSalivary amylase-starch Pancre...View AnswerShow Answer

Stacey is 5 foot 8 inches tall and weighs approximately 80 pounds,yet she thinks she is very fat.Which of the following statements is probably not true about Stacey?

Correct AnswerverifiedShow Answer

Which of the following human digestive enzymes is incorrectly matched to its substrate?

Correct AnswerverifiedShow Answer

As food is processed and moved through the digestive tract,what is the correct order that it is seen?

Correct AnswerverifiedShow Answer

Which of the following is considered an accessory gland in the digestive system?

Correct AnswerverifiedShow Answer

The digestive juices found in the stomach include

Correct AnswerverifiedShow Answer

In the body,glucose is stored in the liver as

Correct AnswerverifiedShow Answer

Which of the following does NOT represent a category of the MyPlate food guide symbol?

Correct AnswerverifiedShow Answer

Which is NOT a correct association of structure with function among layers of the digestive tract?

Correct AnswerverifiedShow Answer

The hepatic portal vein is located between

Correct AnswerverifiedShow Answer

Which organ in the human body produces maltase and peptidases?

Correct AnswerverifiedShow Answer

At body temperature,which of these combinations is most likely to result in the digestion of fat?

Correct AnswerverifiedShow Answer

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Salivary amylase-starch Pancre...
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